From 6f3deac4af3d5928060e4a38f2de790d0544b79d Mon Sep 17 00:00:00 2001
From: Jason Frazier <jfrazier@lendingclub.com>
Date: Fri, 21 Aug 2015 15:21:30 -0700
Subject: [PATCH] IE9 CSV loading fix (#1345) * Fixes error parsing csv from
 xhr request callback object * Fixes error in IE9 when parsing csv files. IE9
 doesn't support response param of xhr callback object. Copy responseText
 param to response param fixed the issue. Charts now render correctly.

---
 src/data.convert.js | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/src/data.convert.js b/src/data.convert.js
index 00853f6..8b66354 100644
--- a/src/data.convert.js
+++ b/src/data.convert.js
@@ -11,15 +11,16 @@ c3_chart_internal_fn.convertUrlToData = function (url, mimeType, headers, keys,
     }
     req.get(function (error, data) {
         var d;
+        var dataResponse = data.response || data.responseText; // Fixes IE9 XHR issue; see #1345
         if (!data) {
             throw new Error(error.responseURL + ' ' + error.status + ' (' + error.statusText + ')');
         }
         if (type === 'json') {
-            d = $$.convertJsonToData(JSON.parse(data.response), keys);
+            d = $$.convertJsonToData(JSON.parse(dataResponse), keys);
         } else if (type === 'tsv') {
-            d = $$.convertTsvToData(data.response);
+            d = $$.convertTsvToData(dataResponse);
         } else {
-            d = $$.convertCsvToData(data.response);
+            d = $$.convertCsvToData(dataResponse);
         }
         done.call($$, d);
     });